FLIP_SIGN_BIT4 28 third_party/libwebp/dsp/dec_neon.c #define FLIP_SIGN_BIT4(a, b, c, d, s) \ FLIP_SIGN_BIT4 322 third_party/libwebp/dsp/dec_sse2.c #define FLIP_SIGN_BIT4(a, b, c, d) { \